as republicans have now blocked a vote on former senator chuck hagel's nomination as defense secretary. the first time such a vote has been blocked for a cabinet nominee. republicans are demanding the white house reveal more details about the attack on the u.s. consulate in benghazi. the fight resumes when senators return from their presidents' day recesses. >>> if confirmed, hagel will oversee the drawdown in afghanistan. it's been over a month since a u.s. service member was killed there. the longest such stretch in five years. afghans are doing much of the fighting. and for the first time, afghan women are being trained for their special forces. >>> the fda has approved what's being called the first bionic eye, allowing thousands of blind people to at least partially see again. the device is a pair of glasses with a camera that strigers electrodes implanted in the eye. it treats blindness results from a damaged retina. >>> a former mayor of san diego has admitted to gambling away a staggering $1 billion, including millions he took from her late husband's charity. maureen o'connor wh